February/March 2026 Paper 62

2026 · 6 questions · 19 parts · 50 marks

0/50 marks
0Correct0Partial0Wrong19Unattempted
Filters0 active

Questions

Select a part to jump to its question

Finish set
4Linear Combinations Random VariablesHard6 marks
A firm sells cheese in packets. The mass of cheese in the packets is normally distributed with mean 1.12 kg and standard deviation 0.15 kg. The firm makes a profit of $0.32 per kilogram of cheese sold. Find the probability that the total profit made on 50 randomly chosen packets of cheese is less than $18.00.
Show your method
0 words
Probability